<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width,initial-scale=1.0">
  <link rel="stylesheet" href="https://cdn.bootcss.com/font-awesome/4.7.0/css/font-awesome.css">
  <title>myblog</title>
</head>

<body>
  <div id="app"></div>
  <!-- built files will be auto injected -->
  <!-- <script>
    var html = document.querySelector('html');
    var htmlWidth = document.documentElement.clientWidth;
    console.log(htmlWidth);
    var htmlFont = htmlWidth / 80 + 'px';
    html.style.fontSize = htmlFont;
  </script> -->
</body>

</html>
<style>
  body {
    background: url('https://i0.hdslb.com/bfs/article/db0be9d48c44f6a85dbc51027479acd117de7e66.jpg@1320w_552h.webp');
    /* background: wheat; */
    margin: 0;
    padding: 0;
    background-repeat: no-repeat;
    background-size: 100% 100%;
    background-attachment: fixed;
  }
</style>

